Structure of laser and method of manufacturing the same

Abstract

A structure of laser and manufacture methods thereof are disclosed. The method comprises the steps of: 1. coupling a plurality of photo diodes with first pins of a plurality of pin groups on a frame; 2. mounting a plurality of laser diodes on the photo diodes; 3. bonding the laser diodes and the photo diodes to the second and third pins of the pin groups by conducting wires; 4. spreading a plurality of adhesive layers on the photo diodes to form a plurality of convex lenses for collecting the laser light; 5. covering the pin groups on which the bonding and spreading steps are performed with a plurality of casings, each having an opening, a notch, and a mounting chamber; and 6. cutting off connected portions of the pins to obtain a plurality of lasers. Consequently, this manufacture method is suitable for mass production to obtain numerous lasers. Besides, the manufacture method of the present invention can significantly reduce the production cost and increase the value of monitor current (Im).

1 . A manufacture method of laser, comprising the steps of: 
 a. coupling a plurality of photo diodes with first pins of a plurality of pin groups on a frame;    b. mounting a plurality of laser diodes on the photo diodes;    c. bonding the laser diodes and the photo diodes to the second and third pins of the pin groups by conducting wires;    d. spreading a plurality of adhesive layers on the photo diodes to form a plurality of convex lenses for collecting laser light;    e. covering the pin groups on which the bonding and spreading steps are performed with a plurality of casings, each having an opening, a notch, and a mounting chamber; and    f. cutting off connected portions of the pins to obtain a plurality of lasers.    
   
   
       2 . A structure of laser, comprising: 
 a frame having three pins, one of which having a large area connection part on the top;    a photo diode mounted on the large area connection part of the pin;    a laser diode mounted on the photo diode;    two conducting wires for connecting the photo diode and the laser diode with the rest of the three pins;    a transparent adhesive layer formed on the photo diode; and    a casing mounted on the top of the frame, the casing having an opening, a notch, a mounting chamber such that the light emitted from the front end of the laser diode is emitted outward through the opening and the light emitted from the rear end of the laser diode is refracted and collected by the transparent adhesive layer for use in the photo diode.    
   
   
       3 . The structure of laser of the  claim 2 , wherein the transparent adhesive layer is separated from or connected with the conductive layers.  
   
   
       4 . A manufacture method of laser, comprising the steps of: 
 a. covering a plurality of pin groups with a plurality of casings, each having an opening, a notch, and a mounting chamber;    b. coupling a plurality of photo diodes with first pins of the pin groups on a frame;    c. mounting a plurality of laser diodes on the photo diodes;    d. bonding the laser diodes and the photo diodes to the second and third pins of the pin groups by conducting wires;    e. spreading a plurality of adhesive layers on the photo diodes to form a plurality of convex lenses for collecting the laser light; and    f. cutting off connected portions of the pins to obtain a plurality of lasers.